package thread;

import java.util.concurrent.locks.ReentrantLock;

public class demo41 {
    private static int count = 0;

    public static void main(String[] args) throws InterruptedException {
        ReentrantLock lock = new ReentrantLock(true);

        Thread t1 = new Thread(() -> {
            for (int i = 0; i < 5000; i++) {
                if (lock.tryLock()) {
                    try {
                        lock.lock();
                        count++;
                    } finally {
                        lock.unlock();
                    }
                } else {
                    // 加锁失败，考虑做其他的事情
                }

            }
        });
        Thread t2 = new Thread(() -> {
            for (int i = 0; i < 5000; i++) {
                try {
                    lock.lock();
                    count++;
                } finally {
                    lock.unlock();
                }
            }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println(count);
    }
}
